214107811 has 4 divisors (see below), whose sum is σ = 214299592. Its totient is φ = 213916032.

The previous prime is 214107799. The next prime is 214107821. The reversal of 214107811 is 118701412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214107811 - 2⁷ = 214107683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214107821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94206 + ... + 96451.

It is an arithmetic number, because the mean of its divisors is an integer number (53574898).

Almost surely, 2^214107811 is an apocalyptic number.

214107811 is a deficient number, since it is larger than the sum of its proper divisors (191781).

214107811 is a wasteful number, since it uses less digits than its factorization.

214107811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191780.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 214107811 is about 14632.4232784594. The cubic root of 214107811 is about 598.2428321068.

The spelling of 214107811 in words is "two hundred fourteen million, one hundred seven thousand, eight hundred eleven".